Onyx Software Strengthens Executive Leadership Team in Asia
Former Aspect Communications Executive Will Lead Strategic Growth in Critical Market

BELLEVUE, Wash. - Onyx® Software Corp. (Nasdaq: ONXS), worldwide leader in successful CRM, today announced it has appointed Andie Rees vice president of its Asia operations. In this role, Rees will spearhead efforts across Asia, an increasingly strategic market for the company. Rees will be based at Onyx's Asian headquarters in Singapore.

Rees' responsibilities include growing Onyx's direct operations in Singapore, Malaysia and Hong Kong; forming and managing strategic alliances and relationships throughout the region; and identifying emerging markets and opportunities. He will report to Brent Frei, CEO and co-founder of Onyx Software.

Rees' 23-year career includes more than 11 years in the customer relationship management (CRM) and call center industries, the last four of which were spent in the Asia Pacific region. Before joining Onyx, Rees was vice president, Asia Pacific, for Aspect Communications Corp. in Singapore, where he was responsible for establishing and building Aspect's Asia Pacific operations. He played a critical role in building and maintaining Aspect's customer base in Asia from zero to more than 250 companies. Under Rees' leadership the business unit was extremely profitable, despite the economic downturn during which the organization was started.

Before his Asia Pacific assignment, Rees spent seven years with Aspect's U.K. operation, where he held a number of sales and marketing positions, culminating with the role of director of sales and business development.

"Asia is a significant market for CRM," Frei said. "The region's strong culture, extensive due diligence and focus on real results also make it a great market for Onyx. It was important to find an executive who recognizes this unique opportunity and has a passion for customer success, and we found that in Andie. His expertise and vision will amplify an already-strong Onyx position throughout the region."

Recent studies have shown that IT investment throughout the Asia Pacific region is set to increase, particularly for CRM solutions. A report released by IDC earlier this year estimated a compound average growth rate of 30 percent over the next five years. Analyst firm Frost & Sullivan has predicted that the Asia Pacific market for CRM will reach $561.8 million in 2003.

Recognizing this opportunity, Onyx recently strengthened its distribution network in the region. Last month, the company announced partnerships with Asia Bell Company Ltd. and North 22 Solutions Ltd. Asia Bell will market and resell Onyx Enterprise CRM in Thailand, and North 22 will localize, market and resell Onyx products in mainland China.

In addition to rapid, cost-effective implementation and wide user adoption, Onyx Enterprise CRM includes full Unicode support, which allows companies to save and display multilingual text (e.g., Thai, Chinese, Japanese and English) in a single server and database. This important architectural advantage allows Onyx customers to save all customers' information in their native language. Onyx provides full Unicode support to all tiers of its Internet architecture.

About Onyx Software
Onyx Software Corp. (Nasdaq: ONXS), worldwide leader in delivering successful CRM, offers a fast, cost-effective, usable solution that shares critical information among employees, customers and partners through three role-specific, Web services-based portals. The Onyx approach delivers real-world success by aligning CRM technology with business objectives, strategies and processes. Companies rely on Onyx across multiple departments to create a superior customer experience and a profitable bottom line. Onyx serves customers worldwide in a variety of industries, including financial services, healthcare, high technology and the public sector. Customers include Agile Software Corp., Credit Suisse, Delta Dental Plans of California and Pennsylvania, Dreyfus Corp., Fluke Networks, Inc., Ingenix Health Intelligence, The Regence Group, The Seattle Mariners and Suncorp. More information can be found at 888-ASK-ONYX, or email info@onyx.com.

This press release contains forward-looking statements, including statements about the potential future adoption of CRM software in Asia/Pacific and the ability of Onyx to be successful in this region. Forward-looking statements are based on the opinions and estimates of management at the time the statements are made and are subject to risks and uncertainties that could cause actual results to differ materially from those anticipated in the forward-looking statements. The words "believe," "expect," "intend," "anticipate," variations of such words and similar expressions identify forward-looking statements, but their absence does not mean that the statement is not forward-looking. These statements are not guarantees of future performance and are subject to risks, uncertainties and assumptions that are difficult to predict. Factors that could affect Onyx's actual results include, but are not limited to the "Important Factors That May Affect Our Business, Our Results of Operations and Our Stock Price" described in our annual report on form 10-Q for the period ended June 30, 2002. Readers are cautioned not to place undue reliance upon these forward-looking statements that speak only as to the date of this release. Onyx undertakes no obligation to update publicly any forward-looking statements to reflect new information, events or circumstances after the date of this release or to reflect the occurrence of unanticipated events.

Onyx is a registered trademark of Onyx Software Corp. in the United States and other countries. Other product or service names mentioned herein are the trademarks of their respective owners.

Contact:

Bob Craig Onyx Software 617-314-6846

Amy Fuller Waggener Edstrom Telephone: 425.638.7000

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MEDIA CONTACTS

Americas / Corporate Headquarters Mitch Briggs Public Relations Coordinator Consona Corporation Telephone: 317.249.1620 Mobile: 317.829.4210 Europe, Middle East, Africa Richard Furby Managing Director, Onyx UK Telephone: +44 (0) 1344 322 199 Fax: +44 (0) 1344 489 035 Japan Daisuke Sawamura Director, Professional Services Telephone: +81 03 5215 7311